GB/T 12459  异径三通 DN 350×350×15-Sch10TR

DN 15×15×350-Sch10 TR

SO80(B)-16 RF-4.0/69560h4360(a8ch40h8/2020Rl20F

3 CM 1900-2.520δ0=12

JWN 25x50-16 RFs=12-า–โ€œะจยฐะ

WN 50-300 RFB=77-42/RFH1c55=141.6 B=ch40RFRFch80F S=4.H40RF

SO 20(B)-16 RF-150 RF S

47021rf450-1.6/40s=4=15;